Use the cause-and-effect chart to answer the question.

cause-
The United States practiced isolationism and passed the Neutrality Acts of 1935, 1937, and 1939.
effect?-
A. The United States experienced a particularly strong economy.
B. The United States was able to develop new military technology.
C. The United States was unprepared to participate in a war with Europe.
D. The United States monitored the growing aggressive powers in Europe.

C. The United States was unprepared to participate in a war with Europe.